public void Clear_Always_RemovesAllItems()
{
// Setup
var item1 = new MapLineData("test");
var item2 = new MapLineData("test");
var mapDataCollection = new MapDataCollection("test");
mapDataCollection.Add(item1);
mapDataCollection.Add(item2);
// Precondition
Assert.AreEqual(2, mapDataCollection.Collection.Count());
// Call
mapDataCollection.Clear();
// Assert
CollectionAssert.IsEmpty(mapDataCollection.Collection);
}